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iil ,L <br /> Weck Laboratories Inc. <br /> A.natylical La botatory Service-Since 1.064 <br /> Certificate of Analysis <br /> Metals(Aqueous]by'EPA 60011%700Q Series INethods-`Quality Control <br /> Batch W9A6815-EPA 6010 <br /> Blank(W9A0815-BLKi) Prepared:01/19/09 Analyzed:01/22/09 15:18 <br /> Sample QC Spike %REC RPD <br /> Analyte Result Result Qualifier Units Level %REC Limits RPD Limit <br /> Potassium,Dissolved ............................................. ND mg/I <br /> Magnesium,Dissolved ........................................... ND mg/I <br /> LCS(W9A0815-851) Prepared:01/19/09 Analyzed:01/22/09 15:20 <br /> Sample QC Spike %REC RPD <br /> Analyte Result Result Qualifier Units Level %REC Limits RPD Limit <br /> Sodium,Dissolved .................................................. 48.5 mg/I 51.0 95 85-115 <br /> Calcium,Dissolved ................................................. 51.3 mg/I 51.0 101 85-115 <br /> Potassium,Dissolved ............................................. 62.0 mg/l 60.0 103 75-125 <br /> Magnesium,Dissolved ............................... 53.2 mg/I 50.0 106 85-115 <br /> Matrix Spike(W9A08i5-Ansi) Source:9AL7015-01 Prepared:01/19/09 Analyzed:01/22/09 15:25 <br /> Sample Qc Spike %REC RPD <br /> Analyte Result Result Qualifier Units Level %REC Limits RPD Limit <br /> Sodium,Dissolved ...................................14.8....... 63.9 mg/l 51.0 96 70-130 <br /> Calcium,Dissolved ..................................20.7....... 71.9 mg/I 51.0 100 70-130 <br /> Potassium,Dissolved ..............................3.35....... 65.6 mgll 60.0 104 70-130 <br /> Magnesium,Dissolved ............................11.9....... 65.1 mg/I 50.0 106 70-130 <br /> Matrix Spike Dup(W9A0815-MSDi) Source:9A17015-01 Prepared:01/19/09 Analyzed:01/22/09 15:28 <br /> Sample QC Spike %REC RPD <br /> Analyte Result Result Qualifier Units Level %REC Limits RPD Limit <br /> Sodium,Dissolved ...................................14.8....... 63.3 mg/I 51.0 95 70-130 0.9 20 <br /> Calcium,Dissolved ..................................20.7....... 71.1 mg/l 51.0 99 70-130 1 20 <br /> Potassium,Dissolved .............................3.35....... 65.5 mg/I 60.0 104 70-130 0.3 20 <br /> Magnesium,Dissolved 11.9....... 64.5 mg/I 50.0 105 70-130 0.9 20 <br /> 9A17015 Page 30 <br /> W ck LaboratoriE� Inc. ,41159 est Cleri<Avenue,City of Ir dL try, California 91745-1396 (626-,336-2139 FAX (626)336-2634 <br /> www.wecklabs.com <br />